the moderator is jim lehrer host of news hour. president obama and governor romney will have two minutes for their answers. >>> and at 10:30 tonight, how the two candidates are getting ready. one visited the site of an engineering marvel he had never seen before. >>> five men were gunned down in four separate and apparently unrelated incidents. the first happened near international boulevard. police say the man was killed at his home. the victim was on his porch at the time and was shot several times. investigators tell us that the angle of the bullets indicate it may have been a drive by shooting. this rash of shootings started last night when an 18-year-old was killed. then at 10:20 another man was killed. then this morning, two friends were killed. sutton and dell were sitting on a sparked van when someone killed him. the motherover dell's son seemed to speak for all of the victims. >> i mean that's someone's son, grandson, great grandson, someone's father. some people just don't care. it hurts. >> reporter: both shootings on m